题目内容
关于冠状动脉瘘声像图表现，错误的是
2022-01-25
A.频谱均为双期连续性揣流
B.冠状动脉主干或分支内径 >8mm
C.增宽的冠状动脉远端呈五彩色血流
D.冠状动脉瘘多为单支瘘，引流人右心 系统占多数
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